Secure with a key

noun

1. A fastening (as for a door) operated by a key or a combination
2. The mechanism for exploding the charge or cartridge of a firearm
3. An enclosure (as in a canal) with gates at each end used in raising or lowering boats as they pass from level to level
4. Air lock
5. A locking or fastening together
6. An intricate mass of objects impeding each other (as in a traffic jam)
7. A hold in wrestling secured on one part of the body
8. One that is assured of success or favorable outcome

verb

1. To fasten the lock of
2. To make fast with or as if with a lock

   "lock up the house"

3. To fasten in or out or to make secure or inaccessible by or as if by means of locks

   "locked himself away from the curious world"

4. To fix in a particular situation or method of operation

   "a team firmly locked in last place"

5. To make fast, motionless, or inflexible especially by the interlacing or interlocking of parts

   "lock wheels"

6. To hold in a close embrace
7. To grapple in combat
8. To invest (capital) without assurance of easy convertibility into money
9. To move or permit to pass (something, such as a ship) by raising or lowering in a lock
10. To become locked
11. To be capable of being locked
12. Interlace, interlock
13. To go or pass by means of a lock (as in a canal)

noun

1. A tuft, tress, or ringlet of hair

   "Marie … turned to pin up a lock of hair that had fallen on her neck."

2. The hair of the head

   "… if your locks are lank, … skip the conditioner."

3. A cohering bunch (as of wool, cotton, or flax) tuft

verb

1. To form into dreadlocks

   "Let's face it: The process of waiting for your hair to loc can be both lengthy and frustrating."

verb

1. To form into dreadlocks

   "Let's face it: The process of waiting for your hair to loc can be both lengthy and frustrating."

noun

1. A demonstration in which protestors lock themselves inside a building, factory, etc.

   "When those demands weren't met, students took over several school buildings and began a lock-in on March 11."

2. A usually supervised social event for young people confined to a space (such as a library or church) often overnight

   "Each year, students are enticed to participate in a post-prom lock-in with the promise of games, prizes, food and fun."

verb

1. To subject (a body of employees) to a lockout

noun

1. A graphical user interface displayed by a device (such as a computer or smartphone) that prevents access to most functions of the device until a certain action (such as swiping one's finger across the screen or entering a predetermined code) is performed

   "Speaking of locking your phone, Android typically shows notifications on your lock screen by default—which means the contents of messages you receive might be visible to anyone who looks at your device, even if they can't unlock it."

adverb

1. Wholly, completely

   "the only thing which had not been sold lock, stock, and barrel with the … house was this piano"

phrasal verb

1. To put (something) in a locked container, place, etc.

   "The jewelry was locked away in a cabinet."

2. To put (someone) in a locked place (such as a prison) for a long period of time

   "lock away a criminal"

3. To keep (oneself) alone in a room or place for a long period of time

   "He locked himself away in his room while he studied."